WIP: temmie/userweb: use IPC to proxy sendmail requests out of sandbox

flake.nix

@@ -229,7 +229,6 @@
           modules = [
             inputs.nix-gitea-themes.nixosModules.default
             inputs.disko.nixosModules.disko
-            self.nixosModules.robots-txt
           ];
         };
 

hosts/kommode/services/gitea/default.nix

@@ -193,109 +193,6 @@ in {
     };
   };
 
-  environment.robots-txt."gitea" = {
-    virtualHost = domain;
-    rules = [
-      {
-        pre_comment = ''
-          Gitea internals
-
-          See these for more information:
-          - https://gitea.com/robots.txt
-          - https://codeberg.org/robots.txt
-        '';
-        User-agent = "*";
-        Disallow = [
-          "/api/*"
-          "/avatars"
-          "/*/*/src/commit/*"
-          "/*/*/commit/*"
-          "/*/*/*/refs/*"
-          "/*/*/*/star"
-          "/*/*/*/watch"
-          "/*/*/labels"
-          "/*/*/activity/*"
-          "/vendor/*"
-          "/swagger.*.json"
-          "/repo/create"
-          "/repo/migrate"
-          "/org/create"
-          "/*/*/fork"
-          "/*/*/watchers"
-          "/*/*/stargazers"
-          "/*/*/forks"
-          "*/.git/"
-          "/*.git"
-          "/*.atom"
-          "/*.rss"
-        ];
-      }
-      {
-        pre_comment = "Language Spam";
-        Disallow = "/*?lang=";
-      }
-      {
-        pre_comment = ''
-          AI bots
-
-          Sourced from:
-          - https://www.vg.no/robots.txt
-          - https://codeberg.org/robots.txt
-        '';
-        User-agent = [
-          "AI2Bot"
-          "Ai2Bot-Dolma"
-          "Amazonbot"
-          "Applebot-Extended"
-          "Bytespider"
-          "CCBot"
-          "ChatGPT-User"
-          "Claude-Web"
-          "ClaudeBot"
-          "Crawlspace"
-          "Diffbot"
-          "FacebookBot"
-          "FriendlyCrawler"
-          "GPTBot"
-          "Google-Extended"
-          "ICC-Crawler"
-          "ImagesiftBot"
-          "Kangaroo Bot"
-          "Meta-ExternalAgent"
-          "OAI-SearchBot"
-          "Omgili"
-          "Omgilibot"
-          "PanguBot"
-          "PerplexityBot"
-          "PetalBot"
-          "Scrapy"
-          "SemrushBot-OCOB"
-          "Sidetrade indexer bot"
-          "Timpibot"
-          "VelenPublicWebCrawler"
-          "Webzio-Extended"
-          "YouBot"
-          "anthropic-ai"
-          "cohere-ai"
-          "cohere-training-data-crawler"
-          "facebookexternalhit"
-          "iaskspider/2.0"
-          "img2dataset"
-          "meta-externalagent"
-          "omgili"
-          "omgilibot"
-        ];
-        Disallow = "/";
-      }
-      {
-        Crawl-delay = "2";
-      }
-      {
-        Sitemap = "https://${domain}/sitemap.xml";
-      }
-    ];
-  };
-
   networking.firewall.allowedTCPPorts = [ sshPort ];
 
   services.rsync-pull-targets = {

hosts/temmie/services/userweb/mail.nix

@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, pkgs, ... }:
 {
   services.postfix.enable = lib.mkForce false;
 
@@ -9,4 +9,26 @@
       remotes = "mail.pvv.ntnu.no smtp --port=25";
     };
   };
+
+  systemd.sockets.userweb-sendmail-sandbox-proxy = {
+    wantedBy = [ "sockets.target" ];
+    listenStreams = [ "/run/userweb-sendmail-sandbox-proxy.sock" ];
+    socketConfig = {
+      # Accept = true;
+      SocketUser = "httpd";
+      SocketGroup = "httpd"; # TODO: is wwwrun(54) in this group?
+      SocketMode = "0660";
+    };
+  };
+
+  systemd.services.userweb-sendmail-sandbox-proxy = {
+    serviceConfig = {
+      User = "root";
+      Group = "root";
+      Sockets = [
+        "userweb-sendmail-sandbox-proxy.socket"
+      ];
+      ExecStart = "${lib.getExe pkgs.hello}";
+    };
+  };
 }